Xem Studiomeasured geometryLibrary › Everyday mounts › Handlebar clamp rings: split rings for 22.2 to 35.0 mm bars, M4 / M5
Split clamp ring for a Ø25.4 bar
Split clamp ring for a Ø25.4 bar: bore Ø25.4 (= the bar), wall 4, 16 wide, 2 take-up gap between two 5 ears, Ø4.5 M4 clearance hole on the ear centre 21.45 below the bar axis
Exact dimensions. True size, no printing tolerance added. Threads are plain cylinders at the major diameter.
STEP STL free, CC BY 4.0 (credit "Xem Studio")
Dimensions
| bar Ø | Ø25.4 |
|---|---|
| ring OD | 33.4 |
| ears across (mm) | 12 |
| screw | M4, Ø4.5 clearance |
| screw and nut | M4 × 16 + M4 nut |
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Handlebar clamp rings: split rings for 22.2 to 35.0 mm bars, M4 / M5: every size, notes, mating features and sources. How do I design a clamp that fits a bike handlebar?